background image

Page 

     ST312 

User 

Handbook 

MAIN DISPLAY 

SEGMENT 
MIMIC 
DISPLAY 

DISPLAY 
INDICATORS 

CONTROL 

KEYS 

(5) 

At A Glance 

DELAYED 
START LAMP 

t1 LAMP 

SOAK TIME LAMP 

SOAK TEMPERATURE LAMP 

RAMP 1 LAMP 

RAMP 2 LAMP 

At A

 Glance 

FIRING LAMP 

Temperature Programmer

ST312

°C
°C/hr
hr.min

STEP

UP

DOWN

BACK

kWh

START

STOP

ºC

t

ºC

t

ST312 User Handbook 

 

 

 

 

       Page   19 

Sample Programs 

Name

 

Ramp 1

 

t1 

Soak time

 

Low Biscuit 

70°C/hr 
 

600°C 

00:15 

Normal Biscuit 

70°C/hr 
 

600°C 

00:15 

High Biscuit 

70°C/hr 
 

600°C 

00:15 

Earthenware Low 
Temperature Glaze 

90°C/hr 
 

600°C 

00:30 

Earthenware Mid 
Temperature Glaze 

90°C/hr 
 

600°C 

00:30 

Earthenware High 
Temperature Glaze 

90°C/hr 
 

600°C 

00:30 

Stoneware Glaze 

90°C/hr 
 

600°C 

00:30 

On Glaze Enamel 

90°C/hr 
 

600°C 

00:30 

Heavy Sculpture 

50°C/hr 
 

300°C 

00:30 

Lustre 

90°C/hr 
 

600°C 

00:00 

Ramp 2 

FULL 

FULL 

FULL 

FULL 

FULL 

FULL 

FULL 

FULL 

70°C/hr 

FULL 

Soak temp 

960°C 

1000°C 

1160°C 

960°C 

1040°C 

1140°C 

1250°C 

780°C 

1000°C 

750°C 

Sample Pr

ograms 

Notes 
Earthenware High Temperature Glaze is also suitable for Stoneware Low 
Temperature Glaze. 
Stoneware Glaze is also suitable for Porcelain. 
On Glaze Enamel is also suitable for some enamelling work. 
Heavy Sculpture is also suitable for Terracotta. 

Summary of Contents for ST312

Page 1: ...ser Handbook Page 1 ST312 User Handbook STAFFOR D INSTRUMENTS Stafford Instruments Ltd Tel 44 0 1785 255588 Fax 44 0 1785 255589 www stafford inst co uk email support stafford inst co uk Issue 1 002 D...

Page 2: ...Low Temperature Glaze 90 C hr 600 C 00 30 Earthenware Mid Temperature Glaze 90 C hr 600 C 00 30 Earthenware High Temperature Glaze 90 C hr 600 C 00 30 Stoneware Glaze 90 C hr 600 C 00 30 On Glaze Enam...

Page 3: ...not locked Press and hold in both the keys for 5 seconds to lock the ST312 Power Failure Recovery If power fails during firing then the ST312 recovers as follows For power failure during start delay t...

Page 4: ...312 to terminate the firing with all the keys locked An alarm buzzer sounds once per second SWITCH KILN OFF To reset the ST312 turn off the power to the instrument and have the fault investigated by y...

Page 5: ...99 hours limit Err6 C C hr hr min Possible causes are contactor failure or thermocouple connection intermittent or high resistance ST312 User Handbook Page 5 Turning On F1 04 tC r tC S tC n tC K 8 8 8...

Page 6: ...am Pause Facility While firing press and hold down the key for about 4 seconds The ST312 will pause the executing program To un pause the program press and hold down the the key again for about 4 seco...

Page 7: ...rature If currently soaking then the ST312 will end the firing Changes made to the operation of the ST312 in this way are temporary and are not stored Adjusting While Firing ST312 User Handbook Page 7...

Page 8: ...through the programming steps to correct errors or to exit programming mode Note available ramp rate displays are End 1 999 FULL If End is shown but another segment is required then push the key to ob...

Page 9: ...ture can be disabled see in stallation handbook Firing Delayed Start The delayed start time period is set to 00 00 when the ST312 is turned on ST312 User Handbook Page 9 Firing To start a firing press...

Page 10: ...Page ST312 User Handbook 10 Program Record Sheet Ramp 1 C hr t1 C Ramp 2 C hr Soak Temp C Soak Time hr min Please photocopy me ST312 User Handbook Page 11 Program Description Please photocopy me...

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